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Stibnite, sometimes called antimonite, is a sulfide mineral
Petrified wood, 20 million years old wood. Wood turned into stone
Ohio Dovetail - Arrowhead - Isolated
close up on chalcedony agate rock specimen
99.99% fine scandium isolated on white background
Asbestos family mineral band in geological rock sample
Crust of turquoise aurichalcite on rock with secondary copper minerals of various colors from Verkhnii Mine, Dalnegorsk, Russia. Collection mineral isolated on white background
Agate is a microcrystalline variety of quartz, chiefly chalcedony, cryptocrystalline form of silica. Although agates may be found in various kinds of rock, they are classically associated with volcanic rocks but can be common in certain metamorphic rocks. Most agates occur as nodules in volcanic rocks or ancient lavas where they represent cavities originally produced by the disengagement of volatiles in the molten mass which were then filled, wholly by siliceous matter deposited in regular layers upon the walls. Cathedral Valley, Capitol Reef National Park, Utah.
An Apishapa stone circle, part of a 700 to 800 year old Native American dwelling stands in the Picket Wire Canyonlands along the Purgatoire River in the Comanche National Grasslands of southeast Colorado.
Beautiful colrs in Petrified Trees in Petrified Forest National Park
Piece of petrified log in the Petrified Forest National Park in Arizona United States
Mineral Fusinus sp. Pliozän
Pyrolusite ore is a mineral basically composed of manganese dioxide.
Rheum officinale, Chinese rhubarb, Rheum palmatum L．
Adorable green gemstone - Fine pattern for your mineralogical collection.
Onix stone isolated on white background.
vivianite mineral specimen stone rock geology gem crystal
Close Up Of Natural Rock Surface
diaboleite rock mineral specimen stone
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calcite on manganite photography isolated on white blackground. N'Chwaning 2 Mine, Kalahari Manganese Fields, South Africa.
Hand-drawn rocks (Petroglyphs) in Cholpon-Ata city, Kyrgyzstan.\nNorth of the centre is an extensive field of glacial boulders, many with pictures scratched or picked into their surfaces. Some of these petroglyphs date from the Bronze Age (about 1500 BC), but most are Saka-Usun (8th century BC to 1st century AD), Most are of long-horned ibex.
anatase from Pakistan isolated on white background
Galena a mineral specimen of natural lead ore collected in the UK
The trunks of petrified trees, multi-colored crystals of minerals. Petrified Forest National Park, Arizona
Hillside with a piece of redisch earth`s crust.
piece of geological agate stone, texture of semi-precious stone
Patterns on a quartz rock in the gold country of California
Tiger’s eye mineral stone sample macro photography
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